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Question

A car hire firm has 2 cars which it hires out day by day. If the number of demands for a car on each day follows Poisson distribution with parameter 1.5, then the probability that both the cars is used is

A
1.12×e1.5
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B
12.5×e1.5
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C
13.625×e1.5
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D
3.625×e1.5
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